65420680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1297}}^1$

素因数の和:1418

約数の個数: 64

約数和(自身を含む): 160277040

約数和(自身を除く): 94856360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 388, 485, 520, 776, 970, 1261, 1297, 1940, 2522, 2594, 3880, 5044, 5188, 6305, 6485, 10088, 10376, 12610, 12970, 16861, 25220, 25940, 33722, 50440, 51880, 67444, 84305, 125809, 134888, 168610, 251618, 337220, 503236, 629045, 674440, 1006472, 1258090, 1635517, 2516180, 3271034, 5032360, 6542068, 8177585, 13084136, 16355170, 32710340, 65420680]

約数ペア:

[(1, 65420680), (2, 32710340), (4, 16355170), (5, 13084136), (8, 8177585), (10, 6542068), (13, 5032360), (20, 3271034), (26, 2516180), (40, 1635517), (52, 1258090), (65, 1006472), (97, 674440), (104, 629045), (130, 503236), (194, 337220), (260, 251618), (388, 168610), (485, 134888), (520, 125809), (776, 84305), (970, 67444), (1261, 51880), (1297, 50440), (1940, 33722), (2522, 25940), (2594, 25220), (3880, 16861), (5044, 12970), (5188, 12610), (6305, 10376), (6485, 10088)]